San Antonio Weather Forecast

    • 49
    • 78

    Chance Thunderstorms

    • 50
    • 82

    Mostly Sunny

    • 52
    • 85

    Mostly Sunny

    • 53
    • 88

    Chance Thunderstorms

    • 52
    • 86

    Rain Showers Likely

    • 52
    • 84

    Chance Thunderstorms

Today 17 Jul Southern San Luis Valley

Mostly sunny with a 50 percent chance of Thunderstorms. Highs 75 to 82. Light Winds becoming southeast around 10 Mph in the afternoon.

Tonight 17 Jul Southern San Luis Valley

Mostly cloudy with a 10 percent chance of Thunderstorms until Midnight, then partly cloudy after midnight. Lows 47 to 52. South Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Antonio Temperature Statistics

July Temperature

San Luis Valley Regional Airport (29.8 miles)

  • Lowest 3 July, 2026

    34.6 °F

  • Average July

    65.6 °F

  • Highest 9 July, 2026

    90.6 °F

Climate (2021–2026)

San Luis Valley Regional Airport (29.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    26.7 °F

  • Average 2021–2026

    45.1 °F

  • Average High 2021–2026

    63.3 °F
Get WillyWeather+ to remove ads